iOS Game Center: Scores not showing on leaderboard in sandbox

Question

I\'m developing a Game Center enabled game and I\'m running into an issue in the sandbox environment. I can successfully report the score without error. However, when I show

Answer 1

I ran into the same issue with projects I've worked on.

The GC Leaderboards (Sandbox/live) will only return scores if there are two or more players on the Leaderboards.

So make sure you either submit the score with 2 different accounts on one 1 device or 2 different accounts on separate devices.